Supermicro SuperServer E300-9A-4CN10P - Page 29

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Chapter 3 Motherboard Connections
System Management Bus Header
A System Management Bus header for additional slave devices or sensors is located at
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SMBus Header
Pin Denitions
Pin# Denition
1 Data
2 Ground
3 Clock
4 NC
Power SMB (I
2
C) Header
The Power System Management Bus (I
2
C) connector (JPI
2
C1) monitors the power supply,
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Power SMB Header
Pin Denitions
Pin# Denition
1 Clock
2 Data
3 PMBUS_Alert
4 Ground
5 NC
BMC External I2C Header
A System Management Bus header for IPMI 2.0 is located at JIPMB1. Connect the appropriate
cable here to use the IPMB I
2
C connection on your system. Refer to the table below for pin
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BMC External I
2
C
Header
Pin Denitions
Pin# Denition
1 Data
2 GND
3 Clock
4 NC